Restaurant Drain Maintenance: Grease, Codes, Sched

Drain problems in restaurants rarely start as sudden failures. More often, they build quietly—through grease and food solids accumulating inside pipes, slowly narrowing flow paths until backups, odors, and emergency repairs follow. A practical maintenance plan can prevent most issues while also supporting compliance with local plumbing and wastewater requirements.

Grease is the primary driver of clogged drains. Kitchen wastewater can carry oils and fats that cool and harden on pipe walls. Over time, that residue traps other debris, including food particles and organic waste, forming blockages that are difficult to clear without specialized equipment. Many jurisdictions require restaurants to manage grease before it enters municipal sewer systems, typically through grease interceptors or approved alternatives.